Get 2022 Updated Free Alibaba Cloud ACP-Cloud1 Exam Questions and Answer
ACP-Cloud1 Dumps PDF and Test Engine Exam Questions
Alibaba Cloud ACP-Cloud1 Exam Syllabus Topics:
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NEW QUESTION 10
To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance. In this case, you can create an active/standby server group on the backend of the SLB instance Which kind of listener supports this feature? (Number of correct answers: 2)
- A. UDP
- B. HTTP
- C. TCP
- D. HTTPS
Answer: A,D
NEW QUESTION 11
When using Alibaba Cloud SLB. you can set different weights for backend ECS instances The higher the weight of a backend ECS instance the more load will be assigned to it An SLB instance has 5 ECS instances in the backend server pool, all of which are healthy Among these 5 ECS instances, the weight of ecs_inst1 is set to 100. Which of the following statements is correct?
- A. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen
- B. 100% of loads will be assigned to ecs__inst1, and the remaining 4 ECS instances will stay idle
- C. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1
- D. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1
Answer: A
NEW QUESTION 12
Alibaba Cloud SLB can distribute user requests to backend ECS instances. These ECS instances must have the same specification (CPU, Memory)
- A. True
- B. False
Answer: A
NEW QUESTION 13
When you create an Alibaba Cloud VPC. a VRouter and a route table will be created automatically. Which of the following statements is NOT correct about the route table?
- A. When a VPC is deleted, the corresponding route table is also deleted.
- B. This route table cannot be deleted
- C. The routing entries of the route table can not be modified manually.
- D. Each VRouter may have multiple route tables.
Answer: A
NEW QUESTION 14
When using Alibaba Cloud SLB, users can enable the health check function If a backend ECS instance A is running abnormally, SLB will isolate it and forward the requests to other ECS instances, and when the backend ECS instance A is back to normal, SLB will again forward requests to it.
- A. True
- B. False
Answer: A
NEW QUESTION 15
After activating an Alibaba Cloud Elastic Compute Service (ECS) instance, you want to monitor the status of the ECS instance via Alibaba Cloud console. Therefore: you must activate and purchase Alibaba Cloud CloudMonitor service to meet this demand.
- A. False
- B. True
Answer: A
NEW QUESTION 16
Alibaba Cloud ECS provides multiple instance types to meet the needs of different business scenarios. A medium-sized enterprise user wants to use two ECS instances, one to deploy a single Tomcat service and the other one to deploy Memcache. Which of the following configurations is most recommended?
- A. Tomcat: 4 cores. 8G, Memcache: 2 cores: 16G
- B. Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G
- C. Tomcat: 4 cores 8G. Memcache: 2 cores 8G
- D. Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G
Answer: D
NEW QUESTION 17
Alibaba Cloud Content Delivery Network (CDN) performs content acceleration with the support of intelligent DNS resolution The following function_________is NOT included in intelligent DNS resolution.
- A. If a user activates mirror sites in different IDCs, intelligent DNS resolution can achieve load balancing by guiding customers in different places to different mirror sites.
- B. The intelligent DNS resolution can parse the same domain name into different IP addresses based on the IP of different visitors.
- C. The intelligent DNS resolution supports web page content caching. A user will receive data from the origin site at first-time access, and then will be reading data from cache in subsequent requests
- D. A user request is directed to the server nearest to the customer based on location information of the pre-configured IP section.
Answer: A
NEW QUESTION 18
When using Alibaba Cloud SLB to forward layer 7 (HTTP) service requests. SLB will replace the IP address in the HTTP header file to forward requests.
Therefore the source IP address that can be seen on the backend ECS instance is the IP address of SLB instead of the clients real IP address.
- A. True
- B. False
Answer: A
NEW QUESTION 19
Which of the following scenarios can be done using Alibaba Cloud Express Connection? (Number of correct answers: 2)
- A. Intranet communication between two VPCs under the same account in the same region
- B. Intranet communication between two VPCs in different accounts and different CIDR Blocks
- C. Intranet communication between VPCs and Smart Access Gateway in customers different branch offices
- D. Intranet communication between a VPC and servers in an external IDC
Answer: B,C
NEW QUESTION 20
You need to create a new ECS instance for a 10-data test. Which of the following billing methods is most cost-effective?
- A. Preemptible
- B. Subscription
- C. Pay-As-You-Go
- D. Pay-AS-You-Go with Savings Plan
Answer: B
NEW QUESTION 21
You would like to deploy your applications on Alibaba Cloud to meet requirements including cost reduction, improving service availability, fast deployment- and redundant backup Alibaba Cloud_________products can help meet these requirements (Number of correct answers 3)
- A. Reasonable selection of Regions/Zones meets the location needs of application deployment as well as the demands for redundantly backup critical business applications and data.
- B. Elastic Compute Service (ECS) image achieve efficient and convenient deployment.
- C. Utilizing Server Load Balancer (SLB) and ECS instances can improve data reliability.
- D. Elastic Compute Service (ECS) snapshot satisfies the needs of rapid recovery of applications and data.
- E. Utilizing Content Delivery Network (CDN) can meet the demands for redundant backup.
Answer: A,C,E
NEW QUESTION 22
As a concept stem from cloud computing, cloud storage service provides on-demand storage and data services to users through a unified interface Which of the following characteristics about cloud storage are correct? (Number of correct answers: 4)
- A. Ultra-large scale: Data storage can reach TB or even PB level
- B. Service on demand Cloud storage has a huge resources pool, users can apply for and use the resources on demand.
- C. High scalability Storage capacity can be dynamically scaled to meet the needs.
- D. Management and maintenance: To prevent emergent service termination, users need to know the underlying detail like how the data is archived in the resource pool.
- E. Transparent service: Provides the service through a single SDK
- F. High reliability and availability: Provides very high reliability and availability through technologies like 3 redundant copies, automatic failure recovery, etc.
Answer: B,C,E,F
NEW QUESTION 23
Which of the following statements is NOT correct, when comparing RDS with a self-built database?
- A. Self-built database support quick deployment and elastic scaling.
- B. RDS provides automatic backup while self-built databases require you to prepare storage space for backup copies and regularly verify that these copies can be restored.
- C. RDS features a high availability of 99 95% while self-built databases require you to implement data protection primary-standby replication, and RAID all by yourself.
- D. RDS requires no O&M while self-built database require a dedicated DBA for maintenance, which results in high HR costs.
Answer: A
NEW QUESTION 24
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group He/she sets the "Minimum number of instances" to 2 and "Maximum number of instances" to 7.
After correctly configuring scaling settings, the customer adds a scaling rule "Add 6 ECS instances", and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 3 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instance will be added in the scaling group when the scheduled task is activated once'?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 25
By using ApsaraDB for RDS to implement read/write splitting, which of the following can be achieved? (Number of correct answers 2)
- A. Read/write requests to the database are separated.
- B. Both read and write requests are distributed to multiple instance
- C. Read requests are distributed to multiple instances.
- D. Write requests are distributed to multiple instances.
Answer: B,D
NEW QUESTION 26
Alibaba Cloud CloudMonitor is a service that monitors Alibaba Cloud resources and Internet functions currently provided by CloudMonitor? (Number of correct answers: 3)
- A. Customized monitoring
- B. Custom firewall
- C. Operation auditing
- D. Cloud service monitoring
- E. Site monitoring
Answer: A,D,E
Explanation:
https://cloudacademy.com/course/alibaba-security-monitoring-1275/introduction-to-cloud-monitor/#:~:text=Cloud%20Monitor%20is%20a%20service,safeguard%20your%20products%20and%20business.
NEW QUESTION 27
Which of the following privilege is required to manually install Alibaba Clod Security Center on the server?
- A. Database Access privilege
- B. FTP service privilege
- C. System administrator privilege
- D. Common user privilege
Answer: D
NEW QUESTION 28
When a customer uses Alibaba Cloud Object Storage Service (OSS) service and finds there exist an amount of Internet downstream traffic, he/she can use Alibaba Cloud Content Delivery Network (CDN) service to reduce the traffic cost.
Because the Internet traffic cost of CDN is lower than that of OSS, moreover, the back-to-source traffic cost from CDN to OSS is also lower than a user access to OSS directly.
- A. True
- B. False
Answer: A
NEW QUESTION 29
When creating an ECS instance in your Alibaba Cloud VPC, you must specify a VSwitch for that instance at the same time. Otherwise, you will not be able to create this ECS instance.
- A. True
- B. False
Answer: A
NEW QUESTION 30
Alibaba Cloud Object Storage Service (OSS) is a cloud storage service that features massive capacity, outstanding security, low costs, and high reliability. In an OSS bucket, all elements are stored as________.
- A. Objects
- B. Stubs
- C. Hashes
- D. Keys
Answer: A
Explanation:
OSS does not use a hierarchical structure for objects, but instead uses a flat structure. All elements are stored as objects in buckets. To use OSS in the same manner in which local file systems are used, you can configure Cloud Storage Gateway (CSG).
https://www.alibabacloud.com/help/doc-detail/31817.htm
NEW QUESTION 31
A large enterprise wants to migrate the entire business system to Alibaba Cloud to save the overall IT procurement and O&M costs From the security aspect, the company requires that
1. Must support secured remote O&M because the administrator often takes business trips.
2. Networks between subsystems should be isolated because subsystems are independently used by different departments Which of the followings should be used together to meet the company's requirements? (Number of correct answers: 3)
- A. Create multiple ECS instances in the VPC to install subsystems of different departments- Allocate only Intranet IP addresses to all ECS instances, and deploy them in the same security groups.
- B. Use the security group function of the ECS instance, and respectively deploy ECS instances running different subsystems to independent security groups.
- C. Enable the VPN on the bastion host (or directly use the VPN image on Alibaba Cloud Marketplace). The administrator uses VPN encrypted communication during O&M.
- D. Build an independent ECS instance as the bastion host or remote logon and O&M, and authorize the bastion host to access ECS instances running other subsystems.
Answer: A,C,D
NEW QUESTION 32
Alibaba Cloud Server Load Balancer (SLB) provides services for distributing traffic among multiple ECS instances SLB can expand the application system's service capacity through traffic distribution, and improve the system's availability by eliminating SPoFs (Single Points of Failure). Which of the following statements are correct? (Number of correct answers; 2)
- A. Before using SLB to provide external services, make sure that you have installed and correctly configured the SLB agent on all of the backend ECS instances.
- B. One of SLB's features is the Health Check. If some of the backend ECS instances are down, whereas other backend ECS instances can still provide services, then the system can continue to work normally.
- C. SLB provides a function to automatically synchronize data among backend ECS instances using rsync remote synchronization.
- D. When recreating an SLB instance that has an Internet IP address, a new Internet IP address will be assigned to the SLB instance.
Answer: B,C
NEW QUESTION 33
Before data communication is setup, the security groups match the security group rules one by one to query whether to allow access requests Assume that the user has created two security group rules 1 and 2 The protocol type, port range, authorization type, and authorization object of the two security group rules are the same. The difference is that Rule 1 is a denial policy, rule 2 is an allowed policy, so the following statement is correct_______ (Number of correct answers 2)
- A. If rule 1 and rule 2 have the same priority, the rule of the denial policy takes effect first, and the rule of the allowed policy does not take effect
- B. If rule 1 and rule 2 have different priorities, the rule with a small priority number takes effect
- C. If rule 1 and rule 2 have the same priority, the rule of the allowed policy takes effect first, and the rule that of the denial policy does not take effect.
- D. If rule 1 and rule 2 have different priorities, the rule with a large priority number takes effect.
Answer: A,B
NEW QUESTION 34
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